00412 a2200133 4500082001300000100001700013245005500030260005800085300001600143440003900159650003400198650002400232700002200256 a546bMUN aMunasiri, B. aChemistry bblock 2- part 2 b inorganic chemistry aNugagodabThe Open University of SriLankac1986g1986 a124p.c27cm aFoundation course of study level 2 aCHEMISTRY AND ALLIED SCIENCES aINORGANIC CHEMISTRY aIlleperuma, O. A.